Main, Jack, Sub Transformer Schematic Diagram - Sony SA-F21 Service Manual

MAIN, JACK, SUB TRANSFORMER SCHEMATIC DIAGRAM

– Ref. No. : MAIN board, JACK board, SUB TRANSFORMER board; 1,000 series –
1 2 3 4
MAIN BOARD
A
IC107
C102
4.7u
LINE AMP
50V
B
PJ101 IC107(1/2)
C103
4.7u NJM4580
R101 C155
50V
6.8k 22p
4
L
3 4
4 1
R102 C101 2
R110
33k 100p
100k
INPUT
C
B+
7.9 IC107(2/2)
C203
4.7u NJM4580
R201 C201 C255
50V 8
6.8k 100p 22p
4
R
4
5
4 7
R202 R210 6
33k 100k
4
D
IC103(1/2)
NJM4580
C254 10.4
5.2
4.7u 5.2
50V 3 8
5.2
E
1
2 5
5.2
R208 6
R111
47k 5.2
10k
4
R138
100k
R108
47k
R133
C112 10k
100p
IC103
C160
22p
MIX AMP
R130 R131
F
22 22
R136 C141
0 100u 16V
C139 C113
R112
0.1u 4.7u
100
50V
B+
IC104
3.7 0 3.7
SOUND CONTROL
R150
R151
12 11 10 9 8 7 6 5 4 3 2 1
10k
10k
G
R113
4.7k
C114
4.7u
50V
13 14 15 16 17 18 19 20 21 22 23 24
H
0
0 0.2
C146
0.01u
C145
0.01u
I
B+
D811 1SR139
CN806
CN804
T802 2P
2P
D812 1SR139
C808 1
1
D810 1SR139 100u
25V
2
2
D813 1SR139
SUB POWER
TRANSFORMER
SUB
TRANSFORMER
J
BOARD
05
AC IN
5 6 7
C120
C202
10u
4.7u
50V
50V C163
100p
C153
4.7u
50V
3.8
3.7
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
IC101
VOLUME,TONE
CONTROL
C156
C157 100u
0.1u 16V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
3
C253
4.7u 50V R122
22
C162
R123
100p
100k
R125 R142
C129
10k 10 R205
B+ 0.22u
47k
IC103(2/2) C128
NJM4580 100u 16V
R132
B+ 22
5.2 B+
7
C126 C136
100u 100u
16V 16V
B+
B+
R115 R117
10k 1k
D814
1SS133
7.9 IC105(2/2)
NJM4580
C115 C116
8 100p
0.1u 0.1u C117
4
5 4 R119
10k
4 7
6
4
R114 R116 4
22k 100k 2
4
3
D815
1SS133
IC106(1/2)
IC105
(2/2) NJM4580
HPF
IC106
D816
1SS133
LIMITER AMP
B+
R805 0.2
4.7
CN805
2P B+
1
D808
T801
R806
1SS133
2 220 MAIN POWER
1W TRANSFORMER
C815
CN803
RY801 0.047u
2P
3 6
1
D801
2
F801 RBV602
*
2 5
C823
C811
0.01u
0.01u
CN801
250V
2P C807
1 4
0.01u
1
250V (SP)
2 *F801
1.25A/250V(US,CND)
T500mA/250V(SP)
3-7
8 9 10 11
C111
1u
50V
R104
4.7k R620
10k
IC102(1/2)
IC102
NJM4580
C107 C108
0.15u
0.15u
4
HPF
3 4
4 1
2 C211
1u
50V
R621
10k
R103
12k
R203
12k
Q605
DTA124ES
MUTE DRIVE
IC102(2/2)
NJM4580
4
4
C207 C208
6 4
0.15u 0.15u
7
5
4
8
R204
4.7k
R105 7.9
47k
B+
B+
IC105(1/2) IC105
(1/2)
NJM4580
4 MIX AMP
3 4
4 1
2
R109
3.3k
IC106
(2/2)
C142 B+
100p
LPF B+
R137
1k
B+
C118
0.1u
IC106(2/2)
7.9
NJM4580
R121
8
47k
4
5 4
4 7
6
R120
47k
4
4
1
C119
0.018u
D101
R139
1SS133
10k
B+
(1/2)
Q803
C151
2SC2003
10u
+11V REGULATOR B+
50V
11.1
R807
1.8k R140
Q802
1k
DTC124EK 11.8
C817 C819
5
47u
10u
25V
50V
IC801
IC801
78MO8
C820
C818 +8V REGULATOR
10u B+ B+
47u 16.1
50V
25V
1 3
-11.8 7.9
Q804 2
-11V REGULATOR Q804
C801 C803
R808 C804
2SA954
6800u 100u
-11.1 1.8k 0.1u
B- 25V 25V
B+
B+ -16.1 C802
6800u
25V
B-
B-
B-
12 13 14 15
IC601
HEADPHONE AMP
IC601(1/2)
C611
NJM4556AD C602
1u Q604
R609 C605
100u
50V 2SC3326
4.7k 100p R613 C613
0 16V
270 MUTE 220p
3 0
0 1
0
R611
2 0
10k R606
0
R605 1k
0
47k
C601 22p
R602
Q602
1k R615
2SC3326 R601 22k
10k
MUTE
IC601(2/2) C606 C608
100u
0.1u
NJM4556AD
16V
11.1
C612
Q603
R610 1u
8 C604
R608 2SC3326
4.7k 50V 0 R614
100u
1k MUTE
0 270
5 16V
C607 0
7
0
R612 100p
6
10k 0
R607 C609
4
0
47k 100u
B-
Q601 -11.1 16V 0
2SC3326 R603
1k
MUTE C603 22p R616
10k
R604 22k
0
C610
0.1u
R617
2.7k
B+
0.5
R127
R619 C133
1k
22k 100p
R128 1k
C132 100p R129
1k
100p
C138 R135 1k
C137
100p
C810
4700u
25V
B+
AUTO POWER DETECT
IC109(1/2)
NJM4580
4
IC109
3 4
4 1
2
C109
AMP
4.7u R106
50V 2.2k
R107 4.7k
C110 330p
B+
IC109(2/2)
7.9
NJM4580
8
4
4
5
4
7
C150
C149
6
100u
0.1u
R206
C209 16V
4
4.7u 2.2k
50V
R207 4.7k
C161
10u
R149 C210 330p
50V
1k
D106
B+
1SS133
Q101
Q101,102
8.6
2SC2412
MUTE DRIVE
4.7 D105
1SS133
R144
D107
5.6k R146
0 Q102 4.1
1SS133
10k
DTC124EK
0
R143
47k R145
1k
R618
1k
B+
R801 R802
10 10k
Q805
R809
2SC2412
R813 D809
47k
10k 1SS133
C806 C821 C809
C805 R803
R811
100u 100u 100u 8.7
0.1u 10k
47k
25V 16V 16V
Q806
2SC2412
-2.9 0.7
R812
22k
Q806 C824 C822
POWER ON 100u
10u
MUTING 16V
50V
3-8
MAIN, JACK, SUB TRANSFORMER
SA-F21
16 17 18
JACK BOARD
CN101 CN601
5P 5P
HP L HP L
1 1
GND GND
J601
2 2
HP R HP R
3 3
MUTE MUTE
HEADPHONES
4 4
MUTE MUTE
5 5
CN102
10P
CLK
1
DATA
2
LATCH
3
SW DATA
4
B+ +VCC
CONTROL BOARD
5
GND CN502
6
(SEE PAGE 3-12)
GND
7
SW CLK
8
9
STANDBY
10
CN103
5P
L CH
1
GND
2
POWER BOARD
R CH
3 CN303
SW
(SEE PAGE 3-15)
4
MUTE/STBY
5
CN802
3P
B+
+VSS
1
POWER BOARD
GND
2 CN302
-VSS
(SEE PAGE 3-15)
3
B-
CN808
2P
POWER BOARD
1
0.8
CN308
2
(SEE PAGE 3-16)
Q807
SIGNAL PATH
2SC2003
0.8
AUDIO
SIGNAL
Q805,807
RELAY
PB
CONTROL